Bank segment (Details 10) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Recorded investment:
With no related allowance recorded	$ 10,833	$ 10,833	$ 16,487
With an allowance recorded	37,209	37,209	36,031
Recorded investment	48,042	48,042	52,518
Unpaid principal balance:
With no related allowance recorded	15,030	15,030	21,717
With an allowance recorded	40,906	40,906	39,185
Unpaid principal balance	55,936	55,936	60,902
Related Allowance	4,370	4,370	5,338
Average recorded investment:
With no related allowance recorded	14,417	15,980	24,631
With an allowance recorded	34,978	34,437	34,679
Average recorded investment	49,395	50,417	59,310
Interest income recognized:
With no related allowance recorded	130	277	882
With an allowance recorded	228	509	1,072
Interest income recognized	358	786	1,954
Residential 1-4 family
Recorded investment:
With no related allowance recorded	5,529	5,529	9,708
With an allowance recorded	10,264	10,264	6,216
Recorded investment	15,793	15,793	15,924
Unpaid principal balance:
With no related allowance recorded	7,267	7,267	12,144
With an allowance recorded	10,352	10,352	6,236
Unpaid principal balance	17,619	17,619	18,380
Related Allowance	969	969	642
Average recorded investment:
With no related allowance recorded	8,232	9,356	11,674
With an allowance recorded	8,219	6,912	6,455
Average recorded investment	16,451	16,268	18,129
Interest income recognized:
With no related allowance recorded	71	159	386
With an allowance recorded	88	191	372
Interest income recognized	159	350	758
Commercial real estate
Recorded investment:
With no related allowance recorded			0
With an allowance recorded	4,512	4,512	4,604
Recorded investment	4,512	4,512	4,604
Unpaid principal balance:
With no related allowance recorded			0
With an allowance recorded	4,650	4,650	4,686
Unpaid principal balance	4,650	4,650	4,686
Related Allowance	941	941	1,118
Average recorded investment:
With no related allowance recorded	0	0	802
With an allowance recorded	4,527	4,550	5,745
Average recorded investment	4,527	4,550	6,547
Interest income recognized:
With no related allowance recorded			0
With an allowance recorded	1	3	152
Interest income recognized	1	3	152
Home equity line of credit
Recorded investment:
With no related allowance recorded	150	150	672
With an allowance recorded	207	207
Recorded investment	357	357	672
Unpaid principal balance:
With no related allowance recorded	331	331	1,227
With an allowance recorded	248	248
Unpaid principal balance	579	579	1,227
Related Allowance	14	14
Average recorded investment:
With no related allowance recorded	426	537	623
With an allowance recorded	69	35	0
Average recorded investment	495	572	623
Interest income recognized:
With no related allowance recorded	1	4	2
With an allowance recorded	1	1
Interest income recognized	2	5	2
Residential land
Recorded investment:
With no related allowance recorded	2,876	2,876	2,622
With an allowance recorded	6,445	6,445	7,452
Recorded investment	9,321	9,321	10,074
Unpaid principal balance:
With no related allowance recorded	3,759	3,759	3,612
With an allowance recorded	6,523	6,523	7,623
Unpaid principal balance	10,282	10,282	11,235
Related Allowance	1,202	1,202	1,332
Average recorded investment:
With no related allowance recorded	2,844	2,930	6,675
With an allowance recorded	6,509	6,838	6,844
Average recorded investment	9,353	9,768	13,519
Interest income recognized:
With no related allowance recorded	42	98	482
With an allowance recorded	88	220	409
Interest income recognized	130	318	891
Commercial loans
Recorded investment:
With no related allowance recorded	2,278	2,278	3,466
With an allowance recorded	15,764	15,764	17,759
Recorded investment	18,042	18,042	21,225
Unpaid principal balance:
With no related allowance recorded	3,673	3,673	4,715
With an allowance recorded	19,116	19,116	20,640
Unpaid principal balance	22,789	22,789	25,355
Related Allowance	1,239	1,239	2,246
Average recorded investment:
With no related allowance recorded	2,903	3,142	4,837
With an allowance recorded	15,649	16,099	15,635
Average recorded investment	18,552	19,241	20,472
Interest income recognized:
With no related allowance recorded	16	16	12
With an allowance recorded	50	94	139
Interest income recognized	66	110	151
Consumer loans
Recorded investment:
With no related allowance recorded	0	0	19
With an allowance recorded	17	17
Recorded investment	17	17	19
Unpaid principal balance:
With no related allowance recorded	0	0	19
With an allowance recorded	17	17
Unpaid principal balance	17	17	19
Related Allowance	5	5
Average recorded investment:
With no related allowance recorded	12	15	20
With an allowance recorded	5	3
Average recorded investment	17	18	20
Interest income recognized:
With an allowance recorded	$ 0	$ 0