Fair Values - Assets that are Recorded at Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Measured on a recurring basis:
Loans receivable, at fair value	$ 117,549
Investment in CT Legacy Asset		132,000
Recurring [Member] | Total Fair Value [Member]
Measured on a recurring basis:
Loans held-for-sale, net	3,800
Loans receivable, at fair value	117,549
Securities, at fair value	15,461
Investment in CT Legacy Asset		132,000
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member]
Measured on a recurring basis:
Loans held-for-sale, net
Loans receivable, at fair value
Securities, at fair value
Investment in CT Legacy Asset
Recurring [Member] | Other Observable Inputs (Level 2) [Member]
Measured on a recurring basis:
Loans held-for-sale, net
Loans receivable, at fair value
Securities, at fair value	1,925
Investment in CT Legacy Asset
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Measured on a recurring basis:
Loans held-for-sale, net	3,800
Loans receivable, at fair value	117,549
Securities, at fair value	13,536
Investment in CT Legacy Asset		132,000
Non-recurring [Member] | Total Fair Value [Member]
Measured on a non-recurring basis:
Impaired loans receivable		2,000
Non-recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member]
Measured on a non-recurring basis:
Impaired loans receivable
Non-recurring [Member] | Other Observable Inputs (Level 2) [Member]
Measured on a non-recurring basis:
Impaired loans receivable
Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Measured on a non-recurring basis:
Impaired loans receivable		$ 2,000